DE3578357D1 - Mikroprozessor und dynamisches ram-system mit software-auffrischung - Google Patents
Mikroprozessor und dynamisches ram-system mit software-auffrischungInfo
- Publication number
- DE3578357D1 DE3578357D1 DE8585400474T DE3578357T DE3578357D1 DE 3578357 D1 DE3578357 D1 DE 3578357D1 DE 8585400474 T DE8585400474 T DE 8585400474T DE 3578357 T DE3578357 T DE 3578357T DE 3578357 D1 DE3578357 D1 DE 3578357D1
- Authority
- DE
- Germany
- Prior art keywords
- microprocessor
- addresses
- dynamic ram
- ram memory
- multiplexer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Microcomputers (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Recording Measured Values (AREA)
- Dram (AREA)
- Debugging And Monitoring (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8404105A FR2561414B1 (fr) | 1984-03-16 | 1984-03-16 | Systeme a microprocesseur et memoire vive dynamique avec rafraichissement par logiciel. application a un enregistreur de perturbations |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3578357D1 true DE3578357D1 (de) | 1990-07-26 |
Family
ID=9302121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585400474T Expired - Lifetime DE3578357D1 (de) | 1984-03-16 | 1985-03-12 | Mikroprozessor und dynamisches ram-system mit software-auffrischung |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0156722B1 (de) |
JP (1) | JPS60205899A (de) |
AT (1) | ATE54037T1 (de) |
BR (1) | BR8501130A (de) |
CA (1) | CA1232079A (de) |
DE (1) | DE3578357D1 (de) |
ES (1) | ES8607581A1 (de) |
FR (1) | FR2561414B1 (de) |
IN (1) | IN162444B (de) |
MX (1) | MX160303A (de) |
PT (1) | PT80098B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1231919C (zh) * | 2001-02-16 | 2005-12-14 | 皇家菲利浦电子有限公司 | 刷新动态存储器的方法 |
US7010644B2 (en) * | 2002-08-29 | 2006-03-07 | Micron Technology, Inc. | Software refreshed memory device and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1117301B (it) * | 1977-05-25 | 1986-02-17 | Olivetti & Co Spa | Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica |
JPS58192148A (ja) * | 1982-05-07 | 1983-11-09 | Hitachi Ltd | 演算処理装置 |
JPS5924494A (ja) * | 1982-07-30 | 1984-02-08 | Toshiba Corp | デ−タ処理装置 |
-
1984
- 1984-03-16 FR FR8404105A patent/FR2561414B1/fr not_active Expired
-
1985
- 1985-02-21 IN IN145/DEL/85A patent/IN162444B/en unknown
- 1985-03-06 JP JP60042763A patent/JPS60205899A/ja active Pending
- 1985-03-12 DE DE8585400474T patent/DE3578357D1/de not_active Expired - Lifetime
- 1985-03-12 EP EP85400474A patent/EP0156722B1/de not_active Expired - Lifetime
- 1985-03-12 AT AT85400474T patent/ATE54037T1/de not_active IP Right Cessation
- 1985-03-13 CA CA000476451A patent/CA1232079A/en not_active Expired
- 1985-03-13 PT PT80098A patent/PT80098B/pt not_active IP Right Cessation
- 1985-03-14 BR BR8501130A patent/BR8501130A/pt not_active IP Right Cessation
- 1985-03-15 ES ES541297A patent/ES8607581A1/es not_active Expired
- 1985-03-15 MX MX204634A patent/MX160303A/es unknown
Also Published As
Publication number | Publication date |
---|---|
JPS60205899A (ja) | 1985-10-17 |
IN162444B (de) | 1988-05-28 |
ATE54037T1 (de) | 1990-07-15 |
BR8501130A (pt) | 1985-11-05 |
FR2561414A1 (fr) | 1985-09-20 |
FR2561414B1 (fr) | 1986-09-19 |
MX160303A (es) | 1990-01-26 |
EP0156722A1 (de) | 1985-10-02 |
EP0156722B1 (de) | 1990-06-20 |
PT80098B (pt) | 1987-05-29 |
CA1232079A (en) | 1988-01-26 |
ES541297A0 (es) | 1986-05-16 |
PT80098A (fr) | 1985-04-01 |
ES8607581A1 (es) | 1986-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |